body {
    margin: 0;
    padding: 0;
}

.container {
    width: 100%;
    height: 100vh;
    background-color: #2b2b2b;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
}

#ios {
    display: none;
    color: white;
    font-size: 20px;
    padding: 6px 12px;
    background-color: transparent;
    border: 1px solid white;
    border-radius: 10px;
    cursor: pointer;
}

#ios:active,
#ios:focus {
    outline: none;
}

#arrow {
    width: 220px;
    height: 220px;
    color: white;
    border-radius: 50%;
    border: 10px solid white;
    box-shadow: 5px 5px 10px #222222,
        -5px -5px 10px #343434,
        inset 5px 5px 10px #222222,
        inset -5px -5px 10px #343434;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    transform-style: preserve-3d;
    perspective: 500;
}

#arrow .pointer-white {
    width: 0;
    border: 100px solid transparent;
    border-bottom-color: white;
    border-left-width: 20px;
    border-right-width: 20px;
}

#arrow .pointer-red {
    width: 0;
    border: 100px solid transparent;
    border-top-color: #f15053;
    border-left-width: 20px;
    border-right-width: 20px;
}

#arrow::after {
    content: '丑';
    font-size: 20px;
    font-family: Helvetica;
    position: absolute;
    bottom: 70px;
}

.tips {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.tips span {
    color: #f3f3f4;
    font-size: 32px;
    font-family: Helvetica;
}

.tips p {
    color: #aeaeaf;
}